[Groff-commit] Changes to //var/cvs/groff

[wlemb]

Log from commit: 

Update of /var/cvs/groff/src/roff/troff
In directory genba:/vol5/tmp/cvs-serv14627/src/roff/troff

Modified Files:
        div.cc env.cc troff.man 
Log Message:
* src/roff/troff/div.cc (save_vertical_space): Add default argument
to `sv' request.
* src/roff/troff/env.cc (family_change): Make `.fam' accept no
argument to restore previous font family.
* src/roff/troff/troff.man, man/groff.man, NEWS: Updated.

* doc/groff.texinfo: More fixes and additions (mainly for font
manipulating commands).